diff options
author | Sujith <Sujith.Manoharan@atheros.com> | 2009-12-14 14:57:04 +0530 |
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committer | John W. Linville <linville@tuxdriver.com> | 2009-12-22 13:56:12 -0500 |
commit | 05c78d6d3ec5a8325398b3866e7e6bb88940d4fd (patch) | |
tree | 91951db4805bd5250dc433632ca3d3c4244326c1 /drivers/net/wireless/ath | |
parent | 0ce024cbcd5837596bc82861f1d3074d53e956f6 (diff) | |
download | op-kernel-dev-05c78d6d3ec5a8325398b3866e7e6bb88940d4fd.zip op-kernel-dev-05c78d6d3ec5a8325398b3866e7e6bb88940d4fd.tar.gz |
ath9k: Remove ANI lock
Cancel/restart the ANI timer directly.
With this patch, the ANI lock can be removed.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 19 |
2 files changed, 4 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index e2cef2f..9f1f523 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -453,7 +453,6 @@ struct ath_softc { int irq; spinlock_t sc_resetlock; spinlock_t sc_serial_rw; - spinlock_t ani_lock; spinlock_t sc_pm_lock; struct mutex mutex; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index c487434..adb0edf 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -363,14 +363,6 @@ static void ath_ani_calibrate(unsigned long data) short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ? ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL; - /* - * don't calibrate when we're scanning. - * we are most likely not on our home channel. - */ - spin_lock(&sc->ani_lock); - if (sc->sc_flags & SC_OP_SCANNING) - goto set_timer; - /* Only calibrate if awake */ if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) goto set_timer; @@ -437,7 +429,6 @@ static void ath_ani_calibrate(unsigned long data) ath9k_ps_restore(sc); set_timer: - spin_unlock(&sc->ani_lock); /* * Set timer interval based on previous results. * The interval must be the shortest necessary to satisfy ANI, @@ -1610,7 +1601,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid, spin_lock_init(&sc->wiphy_lock); spin_lock_init(&sc->sc_resetlock); spin_lock_init(&sc->sc_serial_rw); - spin_lock_init(&sc->ani_lock); spin_lock_init(&sc->sc_pm_lock); mutex_init(&sc->mutex); tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); @@ -3113,6 +3103,7 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) { struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); mutex_lock(&sc->mutex); if (ath9k_wiphy_scanning(sc)) { @@ -3128,10 +3119,8 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw) aphy->state = ATH_WIPHY_SCAN; ath9k_wiphy_pause_all_forced(sc, aphy); - - spin_lock_bh(&sc->ani_lock); sc->sc_flags |= SC_OP_SCANNING; - spin_unlock_bh(&sc->ani_lock); + del_timer_sync(&common->ani.timer); mutex_unlock(&sc->mutex); } @@ -3139,13 +3128,13 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw) { struct ath_wiphy *aphy = hw->priv; struct ath_softc *sc = aphy->sc; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); mutex_lock(&sc->mutex); - spin_lock_bh(&sc->ani_lock); aphy->state = ATH_WIPHY_ACTIVE; sc->sc_flags &= ~SC_OP_SCANNING; sc->sc_flags |= SC_OP_FULL_RESET; - spin_unlock_bh(&sc->ani_lock); + ath_start_ani(common); ath_beacon_config(sc, NULL); mutex_unlock(&sc->mutex); } |